[gimp-web-devel/hugo] content: various text improvements.

[Jehan <jehanp src gnome org>]

commit b8e8036063cd70dbba2936a529559e6b3db48e67
Author: Jehan <jehan girinstud io>
Date:   Mon Aug 8 23:05:23 2022 +0200

    content: various text improvements.

 content/_index.md                     | 19 ++++++++-----------
 content/about.md                      |  5 ++---
 content/core_developers/_index.md     |  2 +-
 content/resource_developers/_index.md |  3 +++
 4 files changed, 14 insertions(+), 15 deletions(-)
---
diff --git a/content/_index.md b/content/_index.md
index c7cc115..9ad9593 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -5,16 +5,13 @@ description = "Online Resources for GIMP Developers"
 author = "The GIMP Development Team"
 +++
 
-This site tries to provide useful information for GIMP developers.
-No matter if you are into [plug-in development](plug-in.html)
-or want to dive into the
-[internals of the GIMP core](/api/2.0/app/app-hierarchy-part.html),
-you should find your way from here.
+This site tries to provide useful information for developers:
 
-If you're looking for the main GIMP website you should visit
-[www.gimp.org](https://www.gimp.org).
-
-The GIMP source code is versioned with git. You
-can [browse the source](https://gitlab.gnome.org/GNOME/gimp/)
-online.
+* If you are into resource creation, e.g. plug-in development, you
+  should look at the [Resource Development](/resource_developers/)
+  section.
+* If you wish to contribute to GIMP itself, you should read the [Core
+  Development](/core_developers/) section.
 
+*Note: for the main GIMP website, visit [www.gimp.org](https://www.gimp.org)
+instead; the GIMP manual is at [docs.gimp.org](https://docs.gimp.org/).*
diff --git a/content/about.md b/content/about.md
index b4ce778..84f415c 100644
--- a/content/about.md
+++ b/content/about.md
@@ -11,6 +11,5 @@ This is the website for development of or with [GIMP](http://www.gimp.org/).
 Under the hood it uses the [Hugo framework](https://gohugo.io/) and
 `markdown` syntax.
 If you want to help us writing contents for `developer.gimp.org` or
-improving the website, clone the repository
-[`gimp-web-devel`](https://gitlab.gnome.org/Infrastructure/gimp-web-devel/)
-with `git`.
+improving the website, contribute to the `git` repository
+[`gimp-web-devel`](https://gitlab.gnome.org/Infrastructure/gimp-web-devel/).
diff --git a/content/core_developers/_index.md b/content/core_developers/_index.md
index 7dfc6cc..370f1cc 100644
--- a/content/core_developers/_index.md
+++ b/content/core_developers/_index.md
@@ -9,4 +9,4 @@ weight: 1
 The _section_ "Core Development" contains information about GIMP
 internals. It is targetted at people wishing to contribute to core
 development, additionally to the [contents in "Resource
-Development](/resource_developers/).
+Development"](/resource_developers/).
diff --git a/content/resource_developers/_index.md b/content/resource_developers/_index.md
index c7374c6..d29010c 100644
--- a/content/resource_developers/_index.md
+++ b/content/resource_developers/_index.md
@@ -8,3 +8,6 @@ weight: 2
 
 The _section_ "Resource Development" contains information to create
 resources for GIMP or use GIMP as a development platform.
+
+For instance you can write plug-ins to customize your workflow, run GIMP
+non-interactively from scripts to process images, and so on.